If you are like me and prefer to purchase a "chunk" of cheese instead of already shredded cheese, this tip is for you. This is something I discovered on my own. Years ago, I would wipe down every surface I could get to on our sailboat (inside), before leaving it after a weekend out, with plain old vinegar.
Vinegar retards the growth of mold. When we would return, the boat still was fresh. After finding mold on a chunk of cheese I decided to try a little experiment. I took a paper towel and folded it down to about a 2 x 2 inch square. I then dampened the paper towel with vinegar. Barely damp, just enough that you can tell it is damp. I then wrapped my cheese in the paper towel and placed inside a Ziploc bag and returned to the refrigerator.
I have never had cheese mold on me again and I have not wasted a bite. If your paper towel begins to dry out, all that you need to do is to redampen the towel with vinegar. The small amount that you are using doesn't leave a vinegar taste to the cheese. Buying cheese in "chunks" is cheaper than the already shredded and will save you a bit of money in addition to no more moldy cheese. Cheese will last for weeks stored this way. Hope you will give this a try because it certainly does work.
No more moldy cheese in the refrigerator: moisten a paper towel with a bit of cider vinegar and wrap it around your wedge of cheese; then place the wrapped cheese in a plastic bag and seal. The acid in the vinegar will keep mold away. If the paper towel dries out, moisten it with a bit of water-vinegar solution.
I purchase the sliced American cheese (120) slices from Sam's club. I like their American cheese the best. When I get home I put all the slices of cheese in an empty bread bag and it is just as fresh months later as the day I put in the bread bag. It never molds or gets dried out. Be sure and keep a clip on the open end of the bag. Keep it in the refrigerator, and do not freeze it.
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Here are questions related to Preventing Mold on Cheese.
I buy 5 lb. bags of shredded mozzarella cheese because my family makes pizza on a regular basis. However, once the bag is opened, it tends to begin to mold fairly quickly. Has anyone used a variation of this vinegar method with shredded cheese? If this doesn't work, does anyone have a suggestion?
I keep all hard cheese in the freezer, shredded cheese lasts months longer. I once received a 20 lb. block of white cheddar and after giving away at least half of it, I hacked the rest into smaller blocks and it kept in the freezer for over a year. Hope this helps!